The ETS ML1-SDU is an innovative unidirectional electret microphone designed for seamless integration with I/P cameras. Its covert smoke detector appearance ensures discreet surveillance while delivering excellent audio performance. With a 15-foot pickup pattern and a user-friendly design, this microphone is perfect for enhancing security systems without compromising aesthetics.
ETS ML1-SDU Microphone Features
- Unidirectional Pickup Pattern: Captures sound from a single direction, minimizing background noise and enhancing audio clarity for surveillance applications.
- 6dB Side Rejection: Effectively reduces sound from 90 degrees, ensuring that only relevant audio is recorded, improving overall sound quality.
- Wide Frequency Response: Offers a frequency range of 20-16kHz, allowing for detailed audio capture and playback.
- Standard Cover Plate: Designed to fit a standard “single gang” electrical cover plate for easy installation and a professional look.
- Discreet Design: Mimics a fire suppression sprinkler head, ensuring that the microphone remains unnoticed in various environments.
- 6′ Cord with 3.5mm Connector: Provides flexibility in setup, with a standard stereo connector for easy compatibility with most devices.
- PC Compatibility: Can also be utilized with a PC’s microphone input, adding versatility to its use beyond surveillance.
Detailed Specifications for ETS ML1-SDU
| Type | Unidirectional Electret Microphone |
| Pickup Pattern | 15′ Unidirectional |
| Side Rejection | 6dB at 90 degrees |
| Frequency Response | 20-16kHz |
| Connector Type | 3.5mm Stereo Connector |
| Cord Length | 6 feet |
| Appearance | Smoke Detector Style |
| Installation | Standard “Single Gang” Cover Plate |



















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